Signal module



FIG. 1 is a perspective view of a signal module.

FIG. 2 is a front view of the signal module illustrated in FIG. 1.

FIG. 3 is a rear view of the signal module shown in FIG. 1.

FIG. 4 is a left side view of the signal module illustrated in FIG. 1.

FIG. 5 is a right side view of the signal module shown in FIG. 1.

FIG. 6 is a top view of the signal module shown in FIG. 1.

FIG. 7 is a bottom view of the signal module shown in FIG. 1.

FIG. 8 is another perspective view of a signal module.

FIG. 9 is a front view of the signal module illustrated in FIG. 8.

FIG. 10 is a rear view of the signal module shown in FIG. 8.

FIG. 11 is a left side view of the signal module illustrated in FIG. 8.

FIG. 12 is a right side view of the signal module shown in FIG. 8.

FIG. 13 is a top view of the signal module shown in FIG. 8; and,

FIG. 14 is a bottom view of the signal module shown in FIG. 8.

Each break in the figures along the body of the signal module indicatesthat the signal module can be of any length. Those breaks are providedfor illustrative purposes only, and the breaks form no part of theclaimed design.

The features indicated in the figures in broken lines form no part ofthe claimed design.

The ornamental design for a signal module, as shown and described.